adding CI job to build static libs on amd64/arm64

.github/Dockerfile.staticlibs

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+FROM ghcr.io/crashappsec/nim:ubuntu-2.0.0 as nim
+
+# https://github.com/actions/runner/issues/2033
+RUN if which git; then git config --global --add safe.directory "*"; fi
+
+# deps for compiling static deps
+RUN apt-get update -y && \
+    apt-get install -y \
+        autoconf \
+        cmake \
+        file \
+        g++ \
+        gcc \
+        git \
+        m4 \
+        make \
+        && \
+    apt-get clean -y
+
+WORKDIR /con4m

.github/docker-compose.yml

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+services:
+  staticlibs:
+    build:
+      context: ..
+      dockerfile: .github/Dockerfile.staticlibs
+    working_dir: /con4m
+    volumes:
+      - ..:/con4m
+      - $HOME/.local/c0:/root/.local/c0

.github/workflows/staticlibs.yml

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+name: staticlibs
+
+on:
+  workflow_dispatch:
+    inputs:
+
+jobs:
+  buildlibs:
+    runs-on: ${{ matrix.builder }}
+
+    strategy:
+      matrix:
+        include:
+          - builder: ubuntu-latest
+            arch: amd64
+            os: linux
+          - builder: buildjet-2vcpu-ubuntu-2204-arm
+            arch: arm64
+            os: linux
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+
+      - name: Show Static Libs
+        run: |
+          set -x
+          ls -la ~/.local/c0/libs/* || true
+          ls -la files/deps/lib/* || true
+
+      - name: Clean up existing libs
+        run: |
+          rm -rf files/deps/lib/*
+
+      - name: Build Static Libs
+        working-directory: ./.github
+        run: |
+          docker compose run --rm staticlibs nimble build
+
+      - name: Show Static Libs
+        run: |
+          set -x
+          ls -la ~/.local/c0/libs/* || true
+          ls -la files/deps/lib/* || true
+
+      - name: Save Artifact
+        uses: actions/upload-artifact@v3
+        if: always()
+        with:
+          name: ${{ matrix.os }}-${{ matrix.arch }}
+          path: ~/.local/c0/libs/*